REPAIR AND MAINTENANCE - Practice Mode

1) What is the post-heated temperature of plain carbon steel?

100 Degree Centigrade to 300 Degree Centigrade 350 Degree Centigrade to 400 Degree Centigrade 400 Degree Centigrade to 500 Degree Centigrade 500 Degree Centigrade to 550 Degree Centigrade

Correct Answer: 100 Degree Centigrade to 300 Degree Centigrade

2) What is the purpose of metal build up process, on a worn metal?

To repair broken parts To build worn out product made new To make joints To reduce excess weld metal

Correct Answer: To build worn out product made new

3) What should be the electrode angle while building up worn out shaft?

30 Degree - 40 Degree 50 Degree - 60 Degree 70 Degree - 80 Degree 90 Degree - 110 Degree

Correct Answer: 70 Degree - 80 Degree

4) Which method is suitable for surfacing the metal part and for high quality of weld and high deposition rate?

Oxy-acetylene method Manual metal arc welding MIG welding Submerged arc welding

Correct Answer: Submerged arc welding

5) Which method is suitable for surfacing method to have smooth and thin layer?

MIG welding Shielded metal arc welding Plasma welding Submerged arc welding

Correct Answer: Plasma welding

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